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. 2016 Jan 22;10(8):2048–2059. doi: 10.1038/ismej.2015.246

Table 3. Distribution of the top 20 selenoprotein families in bacteria.

Selenoprotein family Number of organisms Number of selenoproteins
Formate dehydrogenase alpha subunit 822 1276
Selenophosphate synthetase 383 394
Glycine reductase complex selenoprotein B 146 261
Glycine reductase complex selenoprotein A 142 165
Proline reductase 110 131
HesB like 86 90
Peroxiredoxin (Prx) 78 91
Coenzyme F420-reducing hydrogenase delta subunit 53 131
Heterodisulfide reductase subunit A 42 103
DsbA-like protein 41 45
Arsenite S-adenosylmethyltransferase 39 41
Selenoprotein W like 35 35
Fe-S oxidoreductase 31 47
Prx-like thiol:disulfide oxidoreductase 28 32
Coenzyme F420-reducing hydrogenase, alpha subunit 26 31
UGSC-containing protein 26 33
ULPU-containing selenoprotein 26 28
Cation-transporting ATPase, E1-E2 family 25 32
Predicted NADH:ubiquinone oxidoreductase, subunit RnfC 25 28
Sulfurtransferase homologous to a rhodanese-like protein 24 25